let query = require("./db").query;
let queryWithPromise = require("./db").queryWithPromise;

let values = [1];
let sql_city_count = 'select count(*) from city';
async function test() {
    let { results } = await queryWithPromise(sql_city_count, []);
    console.log("Promise 查询出来的结果:", results);
}
test();